>> reporter: let's review what we all ought to know at the end of this day. first up, fluid, the darker your oil, the more frequently you should change it. brake fluid looks like chardonnay. always use the same color coolant your car came with. next, tires, recommended pressure is on the driver's door, the side wall is your tire's weakette point. look for cracks and known tread. know your tire's birthday, listed by the week and year. know your baby, bond with your car, give it a name. everything has a life span, from the battery to your tires. the more you care for your car, the fewer surprises down the road. having mastered fluidses, tires, jumper cables, even a roadside change, it was time for a well-earned diploma. >> katy, miss katy. >> and a new start.